Questions - OpenCV Q&A Forum

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2015-07-09 03:17:21 -0600 Kailegh

Best method to recognize objects?

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2015-08-21 15:47:37 -0600 Precious Roy

Train cascade classifier train error

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2015-09-08 14:28:27 -0600 wunjo

Classify objects in real-time without needing to train the classifier

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2015-09-10 02:13:28 -0600 thdrksdfthmn

SVM training for 2 days, not done yet

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2015-10-30 21:58:32 -0600 wb

Training Cascade classifier, which is the strong classifier and weak classifier?

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2015-12-27 12:58:40 -0600 zaloo

Object classification for rock paper scissors

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2016-01-23 10:24:59 -0600 pappumaster

How does OpenCV detect objects using LBP features? [closed]

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2016-03-03 23:31:20 -0600 Prakash

Opencv haar training parameters : Mode & symmentry

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2016-05-26 05:03:10 -0600 aee

How can I add decision threshold to KNN classifier?

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2016-05-26 04:06:03 -0600 aee

SVM doesn't give a Class as a result

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2016-06-09 17:06:30 -0600 v.22

KNN Performance

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2016-09-18 08:02:47 -0600 Saksham jain

How to find features like vehicle length and width in video? [closed]

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2016-09-29 07:05:52 -0600 salvprest

loadOCRHMMClassifierNM knn classifiers Training

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2016-10-13 06:56:07 -0600 alfredgg

Is it a good task for a classifier? Result with too many false positives. [closed]

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2016-11-10 09:01:16 -0600 ThorbjornSomod

Training a lbp detector/classifier

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2016-10-28 09:31:45 -0600 mik8019

Error with classifier (boost): tlsKey != TLS_OUT_OF_INDEXES in function cv::TlsAbstraction::TlsAbstraction

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2016-11-10 01:45:30 -0600 Poehe

Advice on Haar/LBP approach [closed]

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2016-11-10 17:28:49 -0600 Mohamed Alzaki

Detecting the shape of irregular objects [closed]

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2017-02-22 07:10:29 -0600 ashgard

How to train a GPU/CUDA CascadeClassifier or HogDescriptor? [closed]

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2017-06-18 04:31:55 -0600 ThorbjornSomod

Modifying features of opencv_traincascade [closed]

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2017-06-23 05:55:22 -0600 CV_open

Number of items in positive samples, haar cascade classifier

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2017-07-06 15:15:33 -0600 henrickd

OpenCV poor performance of Haar classifier trained by me

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2017-10-03 02:10:16 -0600 leafdet

Ideas needed for Leaf Detection

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2018-09-12 06:54:18 -0600 m93c

OpenCV.js in Web Worker problem

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2019-02-19 17:34:01 -0600 Programming_Enthusiast

Classify a trajectory using SVM from freeman chain codes

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2019-10-20 22:06:30 -0600 Sweetmei

How to create trained_classifierNM1(2).xml, OCRHMM_transitions_table.xml files?

classifier

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2

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2019-12-14 12:43:13 -0600 bong0

Use custom classifier in ERFilter with python

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2020-05-03 04:22:23 -0600 avs123a

Help with OpenCV image classification by ORB features

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2020-06-24 23:05:05 -0600 neel19

I am getting this error: Invalid HAAR feature (expected: 'rw.r.x + rw.r.width <= W'), where > 'rw.r.x + rw.r.width' is 22 > must be less than or equal to > 'W' is 16

89 questions

Best method to recognize objects?

Train cascade classifier train error

Classify objects in real-time without needing to train the classifier

SVM training for 2 days, not done yet

Training Cascade classifier, which is the strong classifier and weak classifier?

Object classification for rock paper scissors

How does OpenCV detect objects using LBP features? [closed]

Opencv haar training parameters : Mode & symmentry

How can I add decision threshold to KNN classifier?

SVM doesn't give a Class as a result

KNN Performance

How to find features like vehicle length and width in video? [closed]

loadOCRHMMClassifierNM knn classifiers Training

Is it a good task for a classifier? Result with too many false positives. [closed]

Training a lbp detector/classifier

Error with classifier (boost): tlsKey != TLS_OUT_OF_INDEXES in function cv::TlsAbstraction::TlsAbstraction

Advice on Haar/LBP approach [closed]

Detecting the shape of irregular objects [closed]

How to train a GPU/CUDA CascadeClassifier or HogDescriptor? [closed]

Modifying features of opencv_traincascade [closed]

Number of items in positive samples, haar cascade classifier

OpenCV poor performance of Haar classifier trained by me

Ideas needed for Leaf Detection

OpenCV.js in Web Worker problem

Classify a trajectory using SVM from freeman chain codes

How to create trained_classifierNM1(2).xml, OCRHMM_transitions_table.xml files?

Use custom classifier in ERFilter with python

Help with OpenCV image classification by ORB features

I am getting this error: Invalid HAAR feature (expected: 'rw.r.x + rw.r.width <= W'), where > 'rw.r.x + rw.r.width' is 22 > must be less than or equal to > 'W' is 16

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